CONTENTS
4.2  Start-up        51
4.3  Passwords        52
4.3.1 Setting/changing passwords     53
4.3.2 Password reset     55
4.4  Menus        56
4.4.1 Calibration Menu     57
4.4.2 CongurationMenu    63
4.4.3 Display Menu     71
4.4.4  History Log Menu        74
4.4.5  Change Passwords Menu        75
4.4.6 Reset Passwords     76
4.5  User Tasks        77
4.6  Fault Diagnosis        78
4.6.1  Displayed Error Messages        78
4.6.2 General Faults     79
4.6.3 4-20mAoutputsignalrangesandfaultconditions    80
4.6.4  Clearing latched alarms        81
4.7  System Calibration        82
4.8  Binding Communication Boards to Networks        87
5.  MAINTENANCE        89
5.1  Routine maintenance schedule        89
5.2  Maintenance Procedures /Parts Replacement        90
5.2.1 ChangingtheCertiedSensorFilter    90
5.2.2 ChangingtheCertiedSensorCartridge    91
5.2.3 ChangingtheCertiedSensor    95
5.2.4  Changing the Transmitter Unit Front Panel Assembly        98
APPENDIX A - SPECIFICATIONS        100
A.1  Transmitter Unit and Sensor        100
A.1.1 GasesandRanges    100
A.1.2 Input/Output    100
A.1.3 Monitoringfunctions    102
A.1.4 Performance    102
A.1.5 Environmental    102
A.1.6 Storage(excludingcartridge)    102
A.1.7 EMC    103
A.1.8 Enclosure    103
A.1.9 Conguration    103
A.1.10 CerticationandApprovals    103
A.1.11 Calibrationintervals    105
A.2  Cartridges        105
A.2.1 Cartridgetables    105